Dr. Althea 15% Niacinamide Purity Serum is a powerful serum with 15% Niacinamide to brighten skin tone, minimize dark spots, and refine skin texture for a healthy, radiant glow. Key Benefits Brightens & Evens Skin Tone: High concentration of Niacinamide reduces dark spots and improves overall skin texture. Controls Oil & Soothes Skin: Zinc PCA and Melacut Complex help regulate sebum production and calm irritated skin. Lightweight & Non-Sticky: The refreshing essence absorbs quickly, leaving skin feeling smooth and fresh. Gentle Formula: Made with EWG Green Grade ingredients, free from artificial colorants, suitable for all skin types, including sensitive skin. How to Use Apply a moderate amount evenly over the face. Gently pat until fully absorbed.